diff mbox series

[v2,1/7] target/ppc: powerpc_excp: Extract software TLB logging into a function

Message ID 20220105204029.4058500-2-farosas@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series target/ppc: powerpc_excp improvements (2/n) | expand

Commit Message

Fabiano Rosas Jan. 5, 2022, 8:40 p.m. UTC 
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
---
 target/ppc/excp_helper.c | 63 +++++++++++++++++++++++-----------------
 1 file changed, 36 insertions(+), 27 deletions(-)

Comments

David Gibson Jan. 6, 2022, 3:55 a.m. UTC | #1 
On Wed, Jan 05, 2022 at 05:40:23PM -0300, Fabiano Rosas wrote:
> Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
>  target/ppc/excp_helper.c | 63 +++++++++++++++++++++++-----------------
>  1 file changed, 36 insertions(+), 27 deletions(-)
> 
> diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
> index a779dc936a..2c5d5470de 100644
> --- a/target/ppc/excp_helper.c
> +++ b/target/ppc/excp_helper.c
> @@ -135,6 +135,41 @@ static void dump_hcall(CPUPPCState *env)
>                    env->nip);
>  }
>  
> +static void ppc_excp_debug_sw_tlb(CPUPPCState *env, int excp)
> +{
> +#if defined(DEBUG_SOFTWARE_TLB)
> +    const char *es;
> +    target_ulong *miss, *cmp;
> +    int en;
> +
> +    if (!qemu_log_enabled()) {
> +        return;
> +    }
> +
> +    if (excp == POWERPC_EXCP_IFTLB) {
> +        es = "I";
> +        en = 'I';
> +        miss = &env->spr[SPR_IMISS];
> +        cmp = &env->spr[SPR_ICMP];
> +    } else {
> +        if (excp == POWERPC_EXCP_DLTLB) {
> +            es = "DL";
> +        } else {
> +            es = "DS";
> +        }
> +        en = 'D';
> +        miss = &env->spr[SPR_DMISS];
> +        cmp = &env->spr[SPR_DCMP];
> +    }
> +    qemu_log("6xx %sTLB miss: %cM " TARGET_FMT_lx " %cC "
> +             TARGET_FMT_lx " H1 " TARGET_FMT_lx " H2 "
> +             TARGET_FMT_lx " %08x\n", es, en, *miss, en, *cmp,
> +             env->spr[SPR_HASH1], env->spr[SPR_HASH2],
> +             env->error_code);
> +#endif
> +}
> +
> +
>  static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp,
>                                  target_ulong *msr)
>  {
> @@ -777,34 +812,8 @@ static void powerpc_excp(PowerPCCPU *cpu, int excp)
>              }
>              /* fall through */
>          case POWERPC_EXCP_7x5:
> -#if defined(DEBUG_SOFTWARE_TLB)
> -            if (qemu_log_enabled()) {
> -                const char *es;
> -                target_ulong *miss, *cmp;
> -                int en;
> +            ppc_excp_debug_sw_tlb(env, excp);
>  
> -                if (excp == POWERPC_EXCP_IFTLB) {
> -                    es = "I";
> -                    en = 'I';
> -                    miss = &env->spr[SPR_IMISS];
> -                    cmp = &env->spr[SPR_ICMP];
> -                } else {
> -                    if (excp == POWERPC_EXCP_DLTLB) {
> -                        es = "DL";
> -                    } else {
> -                        es = "DS";
> -                    }
> -                    en = 'D';
> -                    miss = &env->spr[SPR_DMISS];
> -                    cmp = &env->spr[SPR_DCMP];
> -                }
> -                qemu_log("6xx %sTLB miss: %cM " TARGET_FMT_lx " %cC "
> -                         TARGET_FMT_lx " H1 " TARGET_FMT_lx " H2 "
> -                         TARGET_FMT_lx " %08x\n", es, en, *miss, en, *cmp,
> -                         env->spr[SPR_HASH1], env->spr[SPR_HASH2],
> -                         env->error_code);
> -            }
> -#endif
>              msr |= env->crf[0] << 28;
>              msr |= env->error_code; /* key, D/I, S/L bits */
>              /* Set way using a LRU mechanism */
Richard Henderson Jan. 7, 2022, 1:37 a.m. UTC | #2 
On 1/5/22 12:40 PM, Fabiano Rosas wrote:
> Signed-off-by: Fabiano Rosas<farosas@linux.ibm.com>
> ---
>   target/ppc/excp_helper.c | 63 +++++++++++++++++++++++-----------------
>   1 file changed, 36 insertions(+), 27 deletions(-)
> 
> diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
> index a779dc936a..2c5d5470de 100644
> --- a/target/ppc/excp_helper.c
> +++ b/target/ppc/excp_helper.c
> @@ -135,6 +135,41 @@ static void dump_hcall(CPUPPCState *env)
>                     env->nip);
>   }
>   
> +static void ppc_excp_debug_sw_tlb(CPUPPCState *env, int excp)
> +{
> +#if defined(DEBUG_SOFTWARE_TLB)
> +    const char *es;
> +    target_ulong *miss, *cmp;
> +    int en;
> +
> +    if (!qemu_log_enabled()) {
> +        return;
> +    }
> +

Because code movement,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Better is qemu_loglevel_mask(CPU_LOG_MMU)
and perhaps then you can remove the ifdef.


r~
diff mbox series

Patch

diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index a779dc936a..2c5d5470de 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -135,6 +135,41 @@  static void dump_hcall(CPUPPCState *env)
                   env->nip);
 }
 
+static void ppc_excp_debug_sw_tlb(CPUPPCState *env, int excp)
+{
+#if defined(DEBUG_SOFTWARE_TLB)
+    const char *es;
+    target_ulong *miss, *cmp;
+    int en;
+
+    if (!qemu_log_enabled()) {
+        return;
+    }
+
+    if (excp == POWERPC_EXCP_IFTLB) {
+        es = "I";
+        en = 'I';
+        miss = &env->spr[SPR_IMISS];
+        cmp = &env->spr[SPR_ICMP];
+    } else {
+        if (excp == POWERPC_EXCP_DLTLB) {
+            es = "DL";
+        } else {
+            es = "DS";
+        }
+        en = 'D';
+        miss = &env->spr[SPR_DMISS];
+        cmp = &env->spr[SPR_DCMP];
+    }
+    qemu_log("6xx %sTLB miss: %cM " TARGET_FMT_lx " %cC "
+             TARGET_FMT_lx " H1 " TARGET_FMT_lx " H2 "
+             TARGET_FMT_lx " %08x\n", es, en, *miss, en, *cmp,
+             env->spr[SPR_HASH1], env->spr[SPR_HASH2],
+             env->error_code);
+#endif
+}
+
+
 static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp,
                                 target_ulong *msr)
 {
@@ -777,34 +812,8 @@  static void powerpc_excp(PowerPCCPU *cpu, int excp)
             }
             /* fall through */
         case POWERPC_EXCP_7x5:
-#if defined(DEBUG_SOFTWARE_TLB)
-            if (qemu_log_enabled()) {
-                const char *es;
-                target_ulong *miss, *cmp;
-                int en;
+            ppc_excp_debug_sw_tlb(env, excp);
 
-                if (excp == POWERPC_EXCP_IFTLB) {
-                    es = "I";
-                    en = 'I';
-                    miss = &env->spr[SPR_IMISS];
-                    cmp = &env->spr[SPR_ICMP];
-                } else {
-                    if (excp == POWERPC_EXCP_DLTLB) {
-                        es = "DL";
-                    } else {
-                        es = "DS";
-                    }
-                    en = 'D';
-                    miss = &env->spr[SPR_DMISS];
-                    cmp = &env->spr[SPR_DCMP];
-                }
-                qemu_log("6xx %sTLB miss: %cM " TARGET_FMT_lx " %cC "
-                         TARGET_FMT_lx " H1 " TARGET_FMT_lx " H2 "
-                         TARGET_FMT_lx " %08x\n", es, en, *miss, en, *cmp,
-                         env->spr[SPR_HASH1], env->spr[SPR_HASH2],
-                         env->error_code);
-            }
-#endif
             msr |= env->crf[0] << 28;
             msr |= env->error_code; /* key, D/I, S/L bits */
             /* Set way using a LRU mechanism */